o ccur to; over and over again; only to; once more/again; on one ’ s own; set out, make no objection to; all at once; at once; once in a while; one by one; not only ... but also; have a high opinion of ( 对 ... 评价高 ) ; in order; out of order; in order that; the other day; other tha n; owe ... to; owing to; be occupied with sth ; by oneself 1. One afternoon she _____________ from the coast in a small boat and was caught in a storm. 2. You should take medicine ____________ at ten. 3. I can ’ t carry it ________________; it ’ s too heavy. 4. The teacher has pointed the mistake out to you __________________. 5. Grey decided to move to the countryside and his wife ______________ to it. 6. He hurried to the station, ___________ find the train had left. 7. ___________ the answer came to him. 8. The police offices in our city work hard _________ the rest of us can live a safe life. 9. The newspaper pages were __________. 10. ________ bad weather, the flight was delayed for a couple of hours. 11. These early settlers _____ their survival ____ hard work and determination to succeed. 12. I have been so _______work that I haven ’ t had time for social activities. 13. When Babbage was working at Cambridge, a new idea _______ him.